Document the release of CppSharp 0.9.4

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

docs/releases/CppSharp-0.9.4-25.6.2019.md

@@ -0,0 +1,35 @@
+# CppSharp 0.9.4 25.6.2019
+
+* Generate valid C# when passing a const ref to char
+
+* Generate valid C# when a secondary base has a public anonymous field
+
+* Generate valid C# when a method from a secondary base has no native symbol
+
+* Generate valid C# for typedef-ed type parameters
+
+* Ensure found type maps always contain the type sought after
+
+* Flatten anonymous types to avoid empty names
+
+* Generate valid C# for template parameters with a default value
+
+* Fix returned objects by value attributed with inalloca
+
+* Fix default arguments to only map to null if pointers
+
+* Generate valid C# for returned const void pointers
+
+* Fix regressions with void pointers and references
+
+* Generate valid C# for r-values to void pointers
+
+* Make the default build for Windows 64-bit
+
+* Sped the LLVM build on Windows up by parallelizing
+
+* Generate valid C# when a field with an anon type starts with '$'
+
+* Generate valid C# when a function is named "get<number>"
+
+* Enable Clang-based look-up for system includes by default